Top 5 Free Online Backlink Checkers
Just like the social world, where it matters to know what others are thinking of you, knowing exactly what the search engines are seeing and "thinking" about you is very important. They could just be preparing to ignore you like friends who are annoyed about something you have done.
Of course, the amount of backlinks and the quality of them are one of the biggest determining factors in how your site gets trusted and ranked for certain keywords and keyword phrases. as a google webmaster you must know who is linking to you and how they do it, this is where back link checkers come in handy. Here is a list of great and free online backlink checkers.